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Polyester in Irish (Poileistear): Meaning, Pronunciation, Usage

The Irish for polyester is poileistear, a masculine noun (plural poileistir).
Updated October 2026Report a mistake

How to say “polyester” in Irish

Irish:
poileistear
English:
polyester
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“PEL-ish-tyar”  /ˈpɛlʲɪʃtʲəɾˠ/
Various forms
Plural:
poileistir (polyesters)
Genitive singular:
poileistir, an phoileistir (e.g. léine poileistir, a polyester shirt)
Genitive plural:
poileistear, na bpoileistear (e.g. cineálacha na bpoileistear, the kinds of the polyesters)

What does “poileistear” mean?

polyester
A synthetic fibre or fabric made from a type of plastic, used for clothes and other textiles.Also: polyester fabric, synthetic fibre.

“Poileistear” with the article

The plural of polyester in Irish is poileistir. Here is poileistear after the article (an t-alt), in the singular and the plural.

an poileistear
the polyester
No change after an
na poileistir
the polyesters
Plural: no change after na

“Poileistear” in a sentence: Irish examples

Common Irish sentences using poileistear, the Irish word for polyester.

Is as poileistear atá an gúna seo déanta.
This dress is made of polyester.
Ní maith liom an poileistear sa samhradh.
I don't like polyester in summer.
Cheannaigh mé seaicéad poileistir inné.
I bought a polyester jacket yesterday.
Triomaíonn an poileistear go han-tapa.
Polyester dries very quickly.
Tá cuid mhaith poileistir sa gheansaí sin.
There's a lot of polyester in that jumper.
Is fearr cadás ná poileistear, dar liom.
Cotton is better than polyester, in my opinion.
Déantar poileistear as ola.
Polyester is made from oil.

Other nouns in Irish

More everyday Irish nouns to learn next.

Polyester in Irish: frequently asked questions

What is the Irish for polyester?

The Irish for polyester is poileistear (pronounced “PEL-ish-tyar”). It’s a masculine noun and the plural is poileistir.

How do you pronounce poileistear in Irish?

Poileistear is said like “PEL-ish-tyar” (IPA /ˈpɛlʲɪʃtʲəɾˠ/).

What is the plural of polyester in Irish?

The plural of poileistear is poileistir; with the article, na poileistir means “the polyesters”. The genitive plural is poileistear, as in cineálacha na bpoileistear (the kinds of the polyesters).

Why does poileistear change to phoileistear or bpoileistear?

Irish changes the start of some words after certain words. After mo (my) poileistear becomes mo phoileistear (lenition), and after ár (our) or i (in) it becomes ár bpoileistear (eclipsis).

How do I say 'a polyester shirt' in Irish?

Use the genitive after the noun: léine poileistir, just as léine chadáis is a cotton shirt.

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